Patent US2925620A successfully refreshed from Google Patents.
US2925620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass fiber production
Assignee: COMB AND EXPLOSIVES RES Inc
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Filing: 1955-03-24
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Granted: 1960-02-23
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Expires: 1975-03-24
Abstract
No abstract record available.
Inventors
- 👤 Karlovitz Bela
- 👤 Lewis Bernard
- 👤 Elbe Guenther Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:55
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
THAT METHOD OF MAKING GLASS FIBERS COMPRISING THE STEPS OF FEEDING GLASS INTO A HIGH VELOCITY MAIN FLAME PRODUCED BY COMBUSTION OF A FUEL-OXIDANT MIXTURE FLOWING FROM A BURNER PORT, AND STABLIZING SAID MAIN FLAME WITH AT LEAST ONE ADJACENT PILOT FLAME THE STRENGTH OF WHICH IS AT LEAST THAT REPRESENTED BY THE EQUATION
Claim 2
Dependent Claim
54 words
THAT METHOD OF MAKING GLASS FIBERS COMPRISING THE STEPS OF FEEDING GLASS INTO A HIGH VELOCITY MAIN FLAME PRODUCED BY COMBUSTION OF A FUEL-OXIDANT MIXTURE FLOWING FROM A BURNER PORT, AND STABLIZING SAID MAIN FLAME WITH AT LEAST ONE ADJACENT PILOT FLAME THE STRENGTH OF WHICH IS AT LEAST THAT REPRESENTED BY THE EQUATION
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-22 | 1963-08-24 | 1964-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-22 | 1967-08-24 | 1968-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-22 | 1971-08-24 | 1972-02-23 | $7700.00 | Window Closed / Lapsed |